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Mathematics

1 answer:

andriy [413]3 years ago

8 0

It’s 1.5. The question asking for the amount of seconds (x axis) have passed when the bird’s height (y axis) equals 0. Basically the x value of the point where the line touched the x axis

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Say you want to know if boys are more likely than girls to "wait for their missionary". You take a random sample of 57 males and

Sergio [31]

Answer: 2 independent sample test of proportions

Step-by-step explanation:

The teo independent sample test of proportion is also referred to as the two proportion z-test and it simply allows the researcher to compare the two proportions in order to ascertain if they're the same or not.

In this case, the null hypothesis will be that that the proportions given in the research are the same while the alternate hypothesis will be that there is a difference between the proportions given.

7 0

3 years ago

Please answer this as fast as you can.

maw [93]

156 bins are left over

5 0

3 years ago

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Find LCD of 5/8x, 7/4x+8

erastova [34]

Don't know how to explain this question

8 0

4 years ago

A hole of radius 6cm is drilled through a right circular cylinder whose base radius and height are 9cm and 12cm respectively. Wh

eduard

Answer:

CSA of cylinder= 2πr(h+r)

=2 π×9 (21)

= 378π cm²

now

CSA of hole= 2πr

12π cm²

7 0

3 years ago

According to a report, 67.5% of murders are committed with a firearm. (a) If 200 murders are randomly selected, how many wou

kolezko [41]

Answer: The answer is 135 murders.

Step-by-step explanation: The report tells us that statistically 67.5% of murders are committed using a firearm. It follows therefore that in a sample of 200 randomly selected murders, one would expect that 67.5% of those would be by a firearm. $\frac{67.5}{100}$ * 200 = 135.

It would certainly be higher that the expected value based on previous data collected but it would not be unusual because one sample may have a higher than "normal" amount of murders by firearm. Statistics aren't going to be exact for every sample.

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3 years ago